Pith Number

pith:DM6QTZUJ

pith:2012:DM6QTZUJ46QVLQULJH7KEIZC3K

not attested not anchored not stored refs pending

Discovery and spectroscopic study of the massive Galactic cluster Mercer 81

Ben Davies, Diego de la Fuente, Donald F. Figer, Francisco Najarro

arxiv:1210.1781 v1 · 2012-10-05 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DM6QTZUJ46QVLQULJH7KEIZC3K}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:43:53.320666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b3d09e689e7a155c28b49fea22322dabacdfa14409629bd0e713f66a8b26048

Aliases

arxiv: 1210.1781 · arxiv_version: 1210.1781v1 · doi: 10.48550/arxiv.1210.1781 · pith_short_12: DM6QTZUJ46QV · pith_short_16: DM6QTZUJ46QVLQUL · pith_short_8: DM6QTZUJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DM6QTZUJ46QVLQULJH7KEIZC3K \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1b3d09e689e7a155c28b49fea22322dabacdfa14409629bd0e713f66a8b26048

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "744d6166c0c62d61e5be49631df769e85f1de3aa831356ba780fdd98fafffcfb",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-10-05T15:11:20Z",
    "title_canon_sha256": "c2667790e1e77ef137196c0dff7317701920b01fe02c06dcab5f4c2e3d94a758"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1781",
    "kind": "arxiv",
    "version": 1
  }
}